import { ConversationMessage } from '../types';
/**
 * Engine for summarizing conversation messages
 */
export declare class SummarizationEngine {
    /**
     * Summarize a set of messages
     */
    summarize(messages: ConversationMessage[]): Promise<string>;
    /**
     * Extract key points from messages
     */
    private extractKeyPoints;
    /**
     * Generate summary from key points
     */
    private generateSummary;
}